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Refactor sweep function to use precomputed site lists #1

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Refactor sweep function to use precomputed site lists #1

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20 changes: 7 additions & 13 deletions modelA2D.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,8 @@ NNm_a[1] = L
# for performance
NNp=@SVector [NNp_a[i] for i in 1:L]
NNm=@SVector [NNm_a[i] for i in 1:L]
const even_sites = [(i,j) for i in 1:L for j in 1:L if (i+j) % 2 == 0]
const odd_sites = [(i,j) for i in 1:L for j in 1:L if (i+j) % 2 != 0]
###

function hotstart(n)
Expand Down Expand Up @@ -77,21 +79,13 @@ function MCstep(m², ϕ, x)
end
end


function sweep(m², ϕ, L)
Threads.@threads for i in 1:L
for j in 1:L
if (i+j) % 2 == 0
MCstep(m², ϕ, (i,j))
end
end
Threads.@threads for k in eachindex(even_sites)
MCstep(m², ϕ, even_sites[k])
end

Threads.@threads for i in 1:L
for j in 1:L
if (i+j) % 2 != 0
MCstep(m², ϕ, (i,j))
end
end
Threads.@threads for k in eachindex(odd_sites)
MCstep(m², ϕ, odd_sites[k])
end
end

Expand Down